Finding the Fourth Proportional to 534,798.08, 802,198.50 and 135,438.90
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Solution
The fourth proportional to 534,798.08, 802,198.50 and 135,438.90 is: 203,158.70
Step by Step Solution
- Step 1: Write the proportion equation
534,798.08 : 802,198.50 = 135,438.90 : x - Step 2: Convert to fraction form
534,798.08/802,198.50 = 135,438.90/x - Step 3: Cross multiply
534,798.08x = 802,198.50 × 135,438.90 - Step 4: Simplify right side
534,798.08x = 108,648,882,421.65 - Step 5: Solve for x
x = 108,648,882,421.65/534,798.08 - Step 6: Final answer
x = 203,158.70
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.